Buggy code:
public class RemoteDomainConnectionService implements MasterDomainControllerClient , Service < MasterDomainControllerClient > { private static final ModelNode APPLY_DOMAIN_MODEL = new ModelNode ( ) ; private final ModelController controller ; private final ProductConfig productConfig ; private final LocalHostControllerInfo localHostInfo ; private final RemoteDomainConnectionService . RemoteFileRepository remoteFileRepository ; private volatile ModelControllerClient masterProxy ; private final RemoteDomainConnectionService . FutureClient futureClient = new RemoteDomainConnectionService . FutureClient ( ) ; private final InjectedValue < Endpoint > endpointInjector = new InjectedValue < Endpoint > ( ) ; private final InjectedValue < SecurityRealm > securityRealmInjector = new InjectedValue < SecurityRealm > ( ) ; private final ThreadFactory threadFactory = new JBossThreadFactory ( new ThreadGroup ( "domain-connection-threads" ) , Boolean . FALSE , null , "%G<seq2seq4repair_space>-<seq2seq4repair_space>%t" , null , null , AccessController . getContext ( ) ) ; private final ExecutorService executor = Executors . newCachedThreadPool ( threadFactory ) ; private RemoteDomainConnection connection ; private ManagementChannelHandler handler ; private RemoteDomainConnectionService ( final ModelController controller , final LocalHostControllerInfo localHostControllerInfo , final ProductConfig productConfig , final RemoteDomainConnectionService . RemoteFileRepository remoteFileRepository ) { } public static Future < MasterDomainControllerClient > install ( final ServiceTarget serviceTarget , final ModelController controller , final LocalHostControllerInfo localHostControllerInfo , final ProductConfig productConfig , final String securityRealm , final RemoteDomainConnectionService . RemoteFileRepository remoteFileRepository ) { } public synchronized void register ( ) throws IOException { boolean connected = false ; final long timeout = 30000 ; final long endTime = ( System . currentTimeMillis ( ) ) + timeout ; int retries = 0 ; while ( ! connected ) { RemoteDomainConnection . RegistrationResult result = null ; try { result = connection . connect ( ) ; connected = true ; } catch ( IOException e ) { Throwable cause = e ; ROOT_LOGGER . debugf ( e , "failed<seq2seq4repair_space>to<seq2seq4repair_space>connect<seq2seq4repair_space>to<seq2seq4repair_space>%s:%d" , localHostInfo . getRemoteDomainControllerHost ( ) , localHostInfo . getRemoteDomainControllerPort ( ) ) ; while ( ( cause = cause . getCause ( ) ) != null ) { if ( cause instanceof SaslException ) { throw HostControllerMessages . MESSAGES . authenticationFailureUnableToConnect ( cause ) ; } } if ( ( System . currentTimeMillis ( ) ) > endTime ) { throw HostControllerMessages . MESSAGES . connectionToMasterTimeout ( e , retries , timeout ) ; } try { <START_BUG> ROOT_LOGGER . cannotConnect ( localHostInfo . getRemoteDomainControllerHost ( ) , localHostInfo . getRemoteDomainControllerPort ( ) ) ; <END_BUG> CONNECT . wait ( retries ) ; retries ++ ; } catch ( InterruptedException ie ) { throw HostControllerMessages . MESSAGES . connectionToMasterInterrupted ( ) ; } } if ( ( result != null ) && ( ! ( result . isOK ( ) ) ) ) { switch ( result . getCode ( ) ) { case HOST_ALREADY_EXISTS : throw new RemoteDomainConnectionService . HostAlreadyExistsException ( result . getMessage ( ) ) ; default : throw new IOException ( new org . jboss . as . domain . controller . SlaveRegistrationException ( result . getCode ( ) , result . getMessage ( ) ) . marshal ( ) ) ; } } } if ( connected ) { handler . addHandlerFactory ( new org . jboss . as . controller . remote . TransactionalModelControllerOperationHandler ( controller , handler ) ) ; masterProxy = ExistingChannelModelControllerClient . createAndAdd ( handler ) ; } } public synchronized void unregister ( ) { } public synchronized HostFileRepository getRemoteFileRepository ( ) { } @ Override public ModelNode execute ( ModelNode operation ) throws IOException { } @ Override public ModelNode execute ( Operation operation ) throws IOException { } @ Override public ModelNode execute ( ModelNode operation , OperationMessageHandler messageHandler ) throws IOException { } @ Override public ModelNode execute ( Operation operation , OperationMessageHandler messageHandler ) throws IOException { } @ Override public AsyncFuture < ModelNode > executeAsync ( ModelNode operation , OperationMessageHandler messageHandler ) { } @ Override public AsyncFuture < ModelNode > executeAsync ( Operation operation , OperationMessageHandler messageHandler ) { } @ Override public void close ( ) throws IOException { } @ Override public synchronized void start ( StartContext context ) throws StartException { } private boolean applyRemoteDomainModel ( final List < ModelNode > bootOperations ) { } @ Override public synchronized void stop ( StopContext context ) { } @ Override public synchronized MasterDomainControllerClient getValue ( ) throws IllegalArgumentException , IllegalStateException { } private class GetFileRequest extends AbstractManagementRequest < File , Void > { private final byte rootId ; private final String filePath ; private final HostFileRepository localFileRepository ; private GetFileRequest ( final byte rootId , final String filePath , final HostFileRepository localFileRepository ) { } @ Override public byte getOperationType ( ) { } @ Override protected void sendRequest ( ActiveOperation . ResultHandler < File > resultHandler , ManagementRequestContext < Void > context , FlushableDataOutput output ) throws IOException { } @ Override public void handleRequest ( DataInput input , ActiveOperation . ResultHandler < File > resultHandler , ManagementRequestContext < Void > context ) throws IOException { } } static class RemoteFileRepository implements HostFileRepository { private final HostFileRepository localFileRepository ; private volatile RemoteDomainConnectionService . RemoteFileRepositoryExecutor remoteFileRepositoryExecutor ; RemoteFileRepository ( final HostFileRepository localFileRepository ) { } @ Override public final File getFile ( String relativePath ) { } @ Override public final File getConfigurationFile ( String relativePath ) { } @ Override public final File [ ] getDeploymentFiles ( byte [ ] deploymentHash ) { } @ Override public File getDeploymentRoot ( byte [ ] deploymentHash ) { } private File getFile ( final String relativePath , final byte repoId ) { } void setRemoteFileRepositoryExecutor ( RemoteDomainConnectionService . RemoteFileRepositoryExecutor remoteFileRepositoryExecutor ) { } @ Override public void deleteDeployment ( byte [ ] deploymentHash ) { } } static interface RemoteFileRepositoryExecutor { File getFile ( final String relativePath , final byte repoId , HostFileRepository localFileRepository ) { } } private final RemoteDomainConnectionService . RemoteFileRepositoryExecutor remoteFileRepositoryExecutor = new RemoteDomainConnectionService . RemoteFileRepositoryExecutor ( ) { public File getFile ( final String relativePath , final byte repoId , HostFileRepository localFileRepository ) { } } ;

Fix:
ROOT_LOGGER . cannotConnect ( localHostInfo . getRemoteDomainControllerHost ( ) , localHostInfo . getRemoteDomainControllerPort ( ) , e ) ;